![]() ![]() This module understands the formats used by PostgreSQL for its DATE, TIME, TIMESTAMP, and INTERVAL data types. My $dt = DateTime::Format::Pg->parse_datetime( ' 23:12:01' ) ĭateTime::Format::Pg->format_datetime($dt) DESCRIPTION That's the subject of this week's video - dates and date handling in Postgres.DateTime::Format::Pg - Parse and format PostgreSQL dates and times SYNOPSIS use DateTime::Format::Pg The second step is to store the dates with the right offset for your business. The first step is to be aware of the problem. So, what should you do then? Good question. The worst part, however, is that you only realize the mess you're in when it comes time to generate reports, specifically sales reports, and the sales differ from your bank. This is true for AWS, GCP, Azure and Digital Ocean. If your database is in the cloud, however, that's not the case, and it's likely your server is set to UTC, even if your data center is located at us-west, us-east, asia, or whatever. Do you? When working locally and using local Postgres, your server's time zone is the same as your local machine, which is wherever you're located in the world. See this only works if you know what time zone your server is in. If I had done that, I would have been able to read the dates back out with the correct time stamp. ![]() We could, of course, store dates using timestamptz, which is a time stamp with a time zone offset. This would throw off every sales report, which might be a small amount and not matter so much in sales meetings - but it matters to book keepers and accountants! Storing Time Zone Information In our case, the date stored is incorrect and off by 8 or so hours. When you ask for a conversion to EST from GMT, it will give it to you. Postgres thinks it literally happened at that time, GMT. The answer to this problem is that Postgres (and I'm sure other platforms too) is very literal when it comes to storing dates at UTC using timestamp.
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